8.4 Introduction to Functions

Beginning Lesson

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Watch Your Step

What should teacher salaries be based on? Students will use and compare linear functions to analyze how teacher pay is currently determined, and decide whether they would give merit-based pay an A+ or failing marks.

Topic: Functions (F)

Middle Lesson

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In the Zone

How hard should you exercise? Students write and graph an equation for maximum heart rate in terms of age, and then calculate ideal heart rate zones for different types of workouts.

Topic: Functions (F)

End Lesson

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Sweet Tooth V1

How much is a piece of Halloween candy worth? Students interpret graphs to compare the marginal enjoyment and total enjoyment of two siblings feasting on piles of Halloween candy and figure out how much pleasure you get (or don't) from eating more and more.

Topic: Functions (F)